| Menyanthaceae Dumort. | Argentina | Arbo, M. M., Cáceres Moral, S. A., Ferrucci, M. S. & Maruñak, V. | 6814 | MO | Tropicos | 2425610 | no |
| Menyanthaceae Dumort. | Argentina | Arbo, M. M., Schinini, A. & Seijo, G. J. | 8477 | MO | Tropicos | 2441726 | no |
| Menyanthaceae Dumort. | Argentina | Arbo, M. M., Schinini, A., Maruñak, V. & Vagabculow, E. | 8044 | MO | Tropicos | 2441744 | no |
| Menyanthaceae Dumort. | Brazil | Rambo, B. | 56461 | MO | Tropicos | 2480159 | no |
| Menyanthaceae Dumort. | Bolivia, Plurinational State of | M. Menacho & E. Gutiérrez | 590 | MO | Tropicos | 1009623 | no |
| Menyanthaceae Dumort. | Paraguay | Elsa Matilde Zardini & Javier Fernandez | 45978 | MO | Tropicos | 1223628 | no |
| Menyanthaceae | Brazil | Maria Cristina W. Vieira | 748 | RB | RB | RB00596024 | yes |
| Menyanthaceae Dumort. | Paraguay | Elsa Matilde Zardini & Roque Gamarra | 55679 | MO | Tropicos | 1542286 | no |
| Menyanthaceae Dumort. | Australia | Croft, J.R. | 10092 | CANB | CBG | CBG 8904317.1 | no |
| Menyanthaceae | Australia | Tepper, J.G.O. | 139 | MEL | MEL | MEL 2327873A | no |